14438739 has 8 divisors (see below), whose sum is σ = 22001920. Its totient is φ = 8250696.

The previous prime is 14438713. The next prime is 14438783. The reversal of 14438739 is 93783441.

14438739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14438739 - 2²¹ = 12341587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14438697 and 14438706.

It is not an unprimeable number, because it can be changed into a prime (14438939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343759 + ... + 343800.

It is an arithmetic number, because the mean of its divisors is an integer number (2750240).

Almost surely, 2^14438739 is an apocalyptic number.

14438739 is a deficient number, since it is larger than the sum of its proper divisors (7563181).

14438739 is an equidigital number, since it uses as much as digits as its factorization.

14438739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687569.

The product of its digits is 72576, while the sum is 39.

The square root of 14438739 is about 3799.8340753249. The cubic root of 14438739 is about 243.5060496848.

It can be divided in two parts, 144 and 38739, that added together give a palindrome (38883).

The spelling of 14438739 in words is "fourteen million, four hundred thirty-eight thousand, seven hundred thirty-nine".